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  <title>Creates a copy of the current path</title>

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</div><hr /><div id="cairocontext.copypath" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">CairoContext::copyPath</h1>
  <h1 class="refname">cairo_copy_path</h1>
  <p class="verinfo">(PECL cairo &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">CairoContext::copyPath</span> -- <span class="refname">cairo_copy_path</span> &mdash; <span class="dc-title">Creates a copy of the current path</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-cairocontext.copypath-description">
  <h3 class="title">说明</h3>
  <p class="para">面向对象风格 (method):</p>
   <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="type"><a href="class.cairopath.html" class="type CairoPath">CairoPath</a></span> <span class="methodname"><strong>CairoContext::copyPath</strong></span>
    ( <span class="methodparam">void</span>
    )</div>

  <p class="para rdfs-comment">过程化风格:</p>
  <div class="methodsynopsis dc-description">
   <span class="type"><a href="class.cairopath.html" class="type CairoPath">CairoPath</a></span> <span class="methodname"><strong>cairo_copy_path</strong></span>
    ( <span class="methodparam"><span class="type"><a href="class.cairocontext.html" class="type CairoContext">CairoContext</a></span> <code class="parameter">$context</code></span>
   )</div>

  <p class="para rdfs-comment">
   Creates a copy of the current path and returns it to the user as a <a href="class.cairopath.html" class="classname">CairoPath</a>.
   See <a href="class.cairopath.html" class="classname">CairoPath</a> for hints on how to iterate over the returned data structure.
  </p>
  <p class="para">
   This function will always return a valid <a href="class.cairopath.html" class="classname">CairoPath</a> object,
   but the result will have no data, if either of the following conditions hold:
   <ul class="simplelist">
   <li class="member">1. If there is insufficient memory to copy the path. In this case CairoPath-&gt;status will
   be set to CAIRO_STATUS_NO_MEMORY.</li>
   <li class="member">2. If <em><code class="parameter">context</code></em> is already in an error state.
   In this case CairoPath-&gt;status will contain the same status that would be returned by
   <span class="function"><a href="cairopattern.status.html" class="function">cairo_status()</a></span>.</li>
   </ul>

    In either case, CairoPath-&gt;status will be set to CAIRO_STATUS_NO_MEMORY
    (regardless of what the error status in cr might have been).

  </p>
 
 </div>


 <div class="refsect1 parameters" id="refsect1-cairocontext.copypath-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">context</code></em></dt>

     <dd>

      <p class="para">
        A valid <a href="class.cairocontext.html" class="classname">CairoContext</a> object created with
       <span class="methodname"><a href="cairocontext.construct.html" class="methodname">CairoContext::__construct()</a></span> or <span class="function"><a href="function.cairo-create.html" class="function">cairo_create()</a></span>
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-cairocontext.copypath-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   A copy of the current <a href="class.cairopath.html" class="classname">CairoPath</a> in the context
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-cairocontext.copypath-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-2800">
    <p><strong>Example #1 面向对象风格</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$surface&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">CairoImageSurface</span><span style="color: #007700">(</span><span style="color: #0000BB">CairoFormat</span><span style="color: #007700">::</span><span style="color: #0000BB">ARGB32</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">50</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">50</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$context&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">CairoContext</span><span style="color: #007700">(</span><span style="color: #0000BB">$surface</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$context</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">copyPath</span><span style="color: #007700">())<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
     </div>

     <div class="example-contents"><p>以上例程的输出类似于：</p></div>
     <div class="example-contents screen">
<div class="cdata"><pre>
object(CairoPath)#3 (0) {
}
</pre></div>
    </div>
   </div>
  </p>
  <p class="para">
   <div class="example" id="example-2801">
    <p><strong>Example #2 过程化风格</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$surface&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cairo_image_surface_create</span><span style="color: #007700">(</span><span style="color: #0000BB">CAIRO_FORMAT_ARGB32</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">50</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">50</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$context&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cairo_create</span><span style="color: #007700">(</span><span style="color: #0000BB">$surface</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">cairo_copy_path</span><span style="color: #007700">(</span><span style="color: #0000BB">$context</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
     </div>

     <div class="example-contents"><p>以上例程的输出类似于：</p></div>
     <div class="example-contents screen">
<div class="cdata"><pre>
object(CairoPath)#3 (0) {
}
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-cairocontext.copypath-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="methodname"><a href="cairocontext.closepath.html" class="methodname" rel="rdfs-seeAlso">CairoContext::closePath()</a> - Closes the current path</span></li>
   </ul>
  </p>
 </div>


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